Currently, Japan imports the bulk of its oil, coal and gas from overseas. Now, in an effort to become more energy self-sufficient, the Japanese government is making big investments in mining undersea… Audio

A prototype methane recovery system is up and running on a 900 cow farm in Southland. Dairy Green agricultural and engineering consultant Quinton Scandrett says it took three years to plan and build… Audio, Gallery

Researchers in Australia have found a potential answer to one of New Zealand's biggest climate change conundrum's - a seaweed to cut methane from burping cows. Kathryn Ryan speaks to Rob Kinley with… Audio

Dr Hinrich Schaefer is an atmospheric scientist at NIWA who specialises in researching methane. It's a particular problem for New Zealand due to our high proportion of agricultural emissions but is… Audio

Dr Chris Smith on an artificial form of photosynthesis that can turn carbon dioxide into methane gas and Dutch scientists think they've found a vaccine that can protect from all sorts of different… Audio